... a large automatic digital computer. That machine was called the Harvard Mark I. It handled 23 digit numbers and could perform all four arithmetic operations. It also had special programs to handle logarithms and trigonometric functions as well. The Mark I was controlled from a prepunched paper tape. Output was by cardpunch and electric typewriter. It was slow, requiring 3 to 5 seconds for a multiplication, but it ... ...

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• Approx Pages: 6
• Grade Level: High School